Don't undersatand what's going on?

Tell us what’s happening:

Your code so far


class ControlledInput extends React.Component {
constructor(props) {
  super(props);
  this.state = {
    input: ''
  };
  // change code below this line
handleChange(event){ // I keep recieving an error here , and i still don't understand what's wrong here on this line.
  this.setState({
    input: event.target.value
  });
};
  // change code above this line


// change code below this line

// change code above this line
render() {
  return (
    <div>
      { /* change code below this line */}
      <input value = {this.state.input} onChange = {this.handleChange.bind(this)}/>
      { /* change code above this line */}
      <h4>Controlled Input:</h4>
      <p>{this.state.input}</p>
    </div>
  );
}
};

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.113 Safari/537.36.

Challenge: Create a Controlled Input

Link to the challenge:

make sure the functions you write yourself are in the right place